Moved AbInitio_GMX functionality into new GMX engine.
Merge branch 'master' of github.com:leeping/forcebalance into engine1
Implemented TINKER engine
Merge branch 'master' of github.com:leeping/forcebalance into engine1

Conflicts:
	src/nifty.py
	src/parser.py
Broke my stash?
Merge
Fails the interaction_openmm test, troubleshooting
Implemented OpenMM engine and engine unit test (OpenMM vs. TINKER comparison)
Tweaked test cases
Optimizations now automatically align the geometry to the starting structure.
Implemented Gromacs moments/vibrations, AMBER99 unit test
Improved test by removing improper dihedrals
Figuring out some keggin issues
Cleaned up imports and numpy dtypes
Removed try statements in test cases
Removed try statements in test cases
Fixed some printout.
Improved printout for ScipyOptimizer